Population
−4.3% since 2016.
Tiwi Islands had a population of 2,348 at the 2021 Census (−4.3% since 2016). Median age 30.2. Median weekly household income $748. Source: ABS Census 2021, via Censible. Census 2026 data arrives June 2027.
What the 2021 Census says, compared with Northern Territory.
Between the 2016 and 2021 censuses, Tiwi Islands's population shrank by 4.3% to 2,348, slower than Northern Territory as a whole (+1.7%). With a median age of 30.2, it is younger than the NT average (33.2). Children under 10 make up 13.3% of residents, and people aged 70 and over 1.7%.
83.6% of households rent, a larger share than the NT average of 48.6%. 4.3% own their home outright. Flats and apartments are 10.4% of homes (18.1% across Northern Territory). The 2021 Census counted 604 households.
The median household earns $748 a week, below the NT average of $2,058. Renters pay a median $83 a week, and households with a mortgage repay $2,113 a month.
2.4% of residents were born overseas, fewer than the NT average of 23.9%. 86.9% use a language other than English at home. 10.8% report no religion, lower than the NT average (43.9%).
2021 Census, Tiwi Islands beside NT and Australia.
| Measure | Tiwi Islands | NT | Australia |
|---|---|---|---|
| Population | 2,348 | 232,621 | 25,422,828 |
| Growth since 2016 | −4.3% | +1.7% | +8.6% |
| Median age | 30.2 | 33.2 | 38.2 |
| Households | 604 | 70,646 | 9,275,123 |
| Flats and apartments | 10.4% | 18.1% | 14.3% |
| Renting | 83.6% | 48.6% | 31.1% |
| Owned outright | 4.3% | 16.2% | 31.4% |
| Median household income a week | $748 | $2,058 | $1,747 |
| Median rent a week | $83 | $326 | $376 |
| Median mortgage repayment a month | $2,113 | $2,001 | $1,866 |
| Born overseas | 2.4% | 23.9% | 29.3% |
| Other language at home | 86.9% | 36.1% | 23.6% |
| No religion | 10.8% | 43.9% | 41.9% |
Source: ABS Census 2021, via Censible. How the figures are built
Each census since 2011, and the age profile in 2021.
−4.3% since 2016.
Median age 30.2, against 33.2 for Northern Territory.
Source: ABS Census 2021, via Censible. How the figures are built
The largest groups in Tiwi Islands at the 2021 Census.
Source: ABS Census 2021, via Censible. How the figures are built
The places it belongs to, sits beside and contains.
Every census figure for Tiwi Islands, mapped and compared with any other place. A free account takes a minute.